#21313E (or 0x21313E) is unknown color: approx Midnight. HEX triplet: 21, 31 and 3E. RGB value is (33,49,62). Sum of RGB (Red+Green+Blue) = 33+49+62=144 (19% of max value = 765). Red value is 33 (13.28% from 255 or 22.92% from 144); Green value is 49 (19.53% from 255 or 34.03% from 144); Blue value is 62 (24.61% from 255 or 43.06% from 144); Max value from RGB is 62 - color contains mainly: blue. Hex color #21313E is not a web safe color. Web safe color analog (approx): #333333. Inversed color of #21313E is #DECEC1. Grayscale: #2D2D2D. Windows color (decimal): -14601922 or 4075809. OLE color: 4075809.
HSL color Cylindrical-coordinate representation of color #21313E: hue angle of 206.9º degrees, saturation: 0.31, lightness: 0.19%. HSV value (or HSB Brightness) of color is 0.24% and HSV saturation: 0.47%. Process color model (Four color, CMYK) of #21313E is Cyan = 0.47, Magento = 0.21, Yellow = 0 and Black (K on CMYK) = 0.76.
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<style> a { background-color: #21313E; } a { background-color: rgb(33,49,62); } div.DivClassName { background-color: #21313E; } .BgClassName { background-color: #21313E; } </style>
<style> span { border-color: #21313E; } span { border-color: rgb(33,49,62); } td.TdClassName { border-color: #21313E; } .TagClassName { border-color: #21313E; } </style>